extinctions since its discovery. References (2000): Phylogenetic relationships of central Texas hemidactyliine plethodontid salamanders, genus Eurycea, and a taxonomic revision of the group. Herpetological Monographs 14: 1-80. (2001): A new species of subterranean blind salamander (Plethodontidae: Hemidactyliini: Eurycea: Typhlomolge) from Austin, Texas, and a systematic revision of central Texas paedomorphic salamanders. Herpetologica 57: 266–280. External links Texas Parks & Wildlife: San Marcos Salamander US Fish & Wildlife Service: San Marcos Salamander Amphibian Species of the World: Eurycea nana Animal Diversity Web: Eurycea nana IUCN Red List: Eurycea nana Nana San Marcos, Texas Endemic fauna of Texas ESA threatened species Amphibians described in 1941